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Seedance 2.5 was announced on 31 July 2026. What the release actually changed against 2.0, what it costs now, and which promised specs never arrived.

Seedance 2.0 vs 2.5 compared on clip length, reference media, editing and cost, plus the two checks that tell you which version you are really calling.

Seedance vs Grok Imagine compared on per-second API price, clip length, resolution and watermarks, plus the 15 and 30 second conflict inside xAI's own docs.

Seedance vs Kling compared on published per-second rates, single-pass clip length, native audio defaults and 4K output, with the price gap stated plainly.

Seedance vs MiniMax H3 compared on per-second price, clip length, resolution and reference limits, with the naming trap that H3 is not called Hailuo 3.

Seedance vs Sora 2 compared on per-second price, clip length and resolution, plus the shutdown date that ends Sora 2 API access on 24 September 2026.